[rhelv6-list] Opinions on multi-head
Jussi Silvennoinen
jussi_rhel6 at silvennoinen.net
Thu May 31 05:43:00 UTC 2012
>> > As far as I know, ATI cards can only drive more than two displays if
>> > you're using pure DisplayPort protocol. Using passive DP->DVI adapters
>> > you can only drive two monitors.
>>
>> ATI cards (in my case a 5770) are fine driving one monitor via an active
>> DisplayPort->DVI adapter and two more by DVI directly for a total of
>> three. It's the configuration I am running right now.
>
> I wound up going with the ATI FirePro v4900 for triple head on RHEL6. I am
> using the DVI port, and two DisplayPort to DVI cables to drive three
> monitors.
>
> An interesting note... The AMD binary driver locked up the machine. Using the
> native RHEL driver, all three screens work, and I get accelerated X and
> compiz works great.
Out of curiosity, what kind of performance do you get? In something
rudimentary like glxgears.
--
Jussi
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